A large part of forklift safety is related to warehouse layout and proper marking of pedestrian and forklift traffic patterns in the warehouse. All areas where pedestrians and vehicles interact need markings to show pedestrian and forklift areas and where they interchange. Mark storage areas, traffic areas and pedestrian areas on the floor with aisle marking tape in the approporiate color. Forklift Safety by Design by Barret C. Miller is an interesting article on the subject.